The prefix is "dictate" and the definition of dictate is "<span>lay down authoritatively; prescribe."</span>
I believe that the correct answer is D because it is already stated once that they need the sirens so it is giving us a fact that has already been stated.
This sentence is compound. it can be broken up into two independent clauses. these clauses are separated by the "and" in the middle.
What speech are you talking about
